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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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67 | 'taxonomy' => $current_taxonomy, |
68 | 'echo' => false |
69 | ) ) ); |
70 |
|
71 | if ( empty( $tag_cloud ) ) { |
72 | return; |
73 | } |
74 |
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75 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
76 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
77 |
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78 | echo $args['before_widget']; |
79 | if ( $title ) { |
80 | echo $args['before_title'] . $title . $args['after_title']; |
81 | } |
82 |
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83 | echo '<div class="tagcloud">'; |
84 |
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85 | echo $tag_cloud; |